2520961 has 8 divisors (see below), whose sum is σ = 2692800. Its totient is φ = 2354352.

The previous prime is 2520943. The next prime is 2520971. The reversal of 2520961 is 1690252.

2520961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2520961 - 2⁵ = 2520929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (336600).

2^2520961 is an apocalyptic number.

It is an amenable number.

2520961 is a deficient number, since it is larger than the sum of its proper divisors (171839).

2520961 is a wasteful number, since it uses less digits than its factorization.

2520961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2520961 is about 1587.7534443357. The cubic root of 2520961 is about 136.0991383548.

It can be divided in two parts, 2520 and 961, that added together give a square (3481 = 59²).

The spelling of 2520961 in words is "two million, five hundred twenty thousand, nine hundred sixty-one".